Home / 28,365.29-42,574.20-14,335.19

Finding the Fourth Proportional to 28,365.29, 42,574.20 and 14,335.19

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Solution

The fourth proportional to 28,365.29, 42,574.20 and 14,335.19 is: 21,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365.29 : 42,574.20 = 14,335.19 : x
  2. Step 2: Convert to fraction form
    28,365.29/42,574.20 = 14,335.19/x
  3. Step 3: Cross multiply
    28,365.29x = 42,574.20 × 14,335.19
  4. Step 4: Simplify right side
    28,365.29x = 610,308,961.55
  5. Step 5: Solve for x
    x = 610,308,961.55/28,365.29
  6. Step 6: Final answer
    x = 21,516.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.